Kevin Jackson wrote:
>> Actually, I am not sure how this would work. If I do this, I get no
>> output from the file:
>>
>> `tail -f sim.out`
>>
>> So there is something basic I am missing here. Any help?
>
> it shells out to the process and waits for it to return - with -f does
> tail ever return? if not you may not be able to use it - AFAIK ` and
> exec are the same - someone with better ruby knowledge may be able to
> offer a solution - perhaps using threads or something
Use IO.popen:
IO.popen('tail -f sim.out'){|f|
while line = f.gets
p line
end
}
--
Alex